GMC/CHEVROLET: SERVICE PROCEDURES ON CERTAIN VEHICLES TO INSPECT, RETIGHTEN THE TORQUE FOR RIGHT REAR BRAKE LINE BRACKET BOLT TO REAR AXLE DUE TO INCORRECTLY BEING TORQUED ALLOWING BRAKE LINE TO WEAR AGAINST REAR AXLE HOUSING AND BRAKE FLUID LEAKAGE. MODEL 2014-15 SILVERADO LD, SIERRA LD, 2015 SILVERADO HD, SIERRA HD, SIERRA DENALI HD. *PE
